34         self.logfile = None
43         if self.logfile:
44             with open(self.logfile, "a") as f:
47     def _run(self, command, timeout=None, logfile=None):  argument
48         self.logfile = logfile
88     def run(self, command, timeout=None, logfile=None):  argument
90             self._run(command, timeout, logfile)
101     def __init__(self, ip, logfile=None, timeout=300, user='root', port=None):  argument
105         self.logfile = logfile
119         if self.logfile:
120             with open(self.logfile, "a") as f:
127         status, output = proc.run(command, timeout, logfile=self.logfile)